These examples are from corpora and from sources on the web. Well, if it is a good electron donor in an electron transfer reaction, if the same element finds itself in a, 27. Silicon being a larger atom than carbon can form only a single covalent bond with an oxygen atom. Email: info@translateen.com, To complete an octet, each oxygen must share two electrons in a, A substance that provides a pair of electrons for a, FTIR analyses showed that the ligands are linked by, The ability of an atom to attract electrons, and in particular, in a, Further study is needed before the origin of the, The particles have functional sites for forming a hydrogen bond or a coordinate, Pauling and said the unequal sharing of electrons in a, The covalent radius is the radius of an atom that is measured when that atom is in a, Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single, Considering when most of different atoms combine together, the, Due to the absence of active hydrogen atom on soft segment, an, The nonlocal body moment causes the stress asymmetric and itself is caused by the, It is based on the ordered, stable mercapto self assembled monolayer formed on gold surface, which immobilized IgG with, When we're talking about r for internuclear distance, we're talking about the distance between two different nuclei in a bond, in a, The results demonstrate that the proposed new fitting procedure shows a fairly good feasibility to the shell model potential for, In terms of average energy distribution of air gap with Monte Carlo simulation, the corresponding voltage to dissociate the given, 2In terms of average energy distribution of air gap with Monte Carlo simulation, the corresponding voltage to dissociate the given, The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a, OK, he also, let me see, he also, lastly, to close us out, he also developed an analytical expression for the energy of that, Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a, 1. . The binding arises from the electrostatic attraction of their nuclei for the electrons. But we also use news articles, books and other generic texts to gather example sentences of how the word "covalent bond" can be used in a sentence. Here below you will find several sentences that illustrate how to use the word covalent bondin a sentence. Explore the difference between ionic and covalent bonds by looking at each different bond and how it forms. Theyre thoughts, ideas and stories. in a sentence. - The Word "covalent bond" in Example Sentences. However, the difficulties encountered in the attempt to keep track of the origin of bonding electrons and the suggestion that a coordinate covalent bond differs somehow from a covalent bond (it does not) have led to this usage falling into disfavour. It is represented by two dashes (=). covalent bond noun : a chemical bond formed between atoms by the sharing of electrons Example Sentences Recent Examples on the Web But hydrogen has little energy density, with just a single covalent bond between two atoms to be broken. Lewiss octet rule is again applicable and is seen to represent the extreme means of achieving lower energy rather than being a goal in itself. The electron pair is called a bonding pair; the three other pairs of electrons on the chlorine atom are called lone pairs and play no direct role in holding the two atoms together. The cyanide ion comes from hydrogen cyanide, which is a covalent molecule. Each oxygen atom shares its two electrons with carbon and therefore there are two double bonds in CO2. The lone pairs on the halogen atom interact with the delocalized Pi system, which strengthens the C-X covalent bond. Get a Britannica Premium subscription and gain access to exclusive content. Watch your back! A molecule may be polar either as a result of . 2. Covalent bonds between identical atoms (as in H2) are nonpolari.e., electrically uniformwhile those between unlike atoms are polari.e., one atom is slightly negatively charged and the other is slightly positively charged. A covalent bond forms when the bonded atoms have a lower total energy than that of widely separated atoms. Test your vocabulary with our fun image quizzes, Clear explanations of natural written and spoken English. (10) Further study is needed before the origin of the covalent bond can a settled question. Often, the nonmetal is carbon, but other examples of elements include phosphorus, oxygen, nitrogen, hydrogen, and halogens like chlorine. Main Differences Between Ionic and Covalent Bonds. (56) The Word "covalent bond" in Example Sentences. You are even made of atoms. (82) The Word "covalent bond" in Example Sentences. Depending on the structure calculation program used, special covalent bonds such as disulphide bridges or cyclic peptide bonds have to be enforced by distance restraints. FTIR analyses showed that the ligands are linked by, 29. Here you can find a large assortment of example sentences for the word covalent bond, or in other words sentences that can help you learn how to use covalent bond in a sentence. In terms of average energy distribution of air gap with Monte Carlo simulation, the corresponding voltage to dissociate the given, 9. Compounds with covalent bonds usually have lower. PCl3 - phosphorus trichlorideCH3CH2OH - ethanolO3 - ozoneH2 - hydrogenH2O - waterHCl - hydrogen chlorideCH4 - methaneNH3 - ammoniaCO2 - carbon dioxide. By signing in, you agree to our Terms and Conditions Let's discuss a few real-life examples of covalent bonds. To the right of every sentence you will find a link out arrow that sends you to the source of the sentence, where you can access the full text and context for the presented example sentence. A covalent bond is any time we have a pair of electrons that is shared between two different atoms. (46) What is the modern definition of "covalent bond"? Read ionic bond # Ionic versus covalent bonds for a brief explanation. If you were only reading words right now, you wouldnt be able to understand what Im saying to you at all. Required fields are marked *, JEE Main 2021 LIVE Chemistry Paper Solutions 24-Feb Shift-1 Memory-Based, Carbon cannot gain 4 electrons to become C. , because it will be tough for 6 protons to hold 10 electrons and so the atom will become unstable. (35) The electrovalent bond weakens and the covalent bond strengthen between manganese and oxygen due to ion polarization effect, which makes the spinel structure more stable. You can recognize these compounds because they consist of nonmetals bonded to each other. The electron dot diagram of NH 3 is as follows: Exercise 7.4. Rather than forming 7 bonds, fluorine only forms a single bond for basically the same reasons that oxygen only forms two bonds. Chemistry, 19.11.2019 02:28, Jelanny. During bond formation, each bond consists of two electrons which are contributed by each one of the combining atoms. This can be useful because some words can sometimes be difficult to understand with only a sentence for context, whereas the full article or text can help you gain insight on how to use the word "covalent bond". This helps to create a hydrophobic pocket on the enzyme near the zinc, which attracts the non-polar part of the protein being digested. Hydrogen will have only two electrons because only two electrons complete itsfirst shell to attain helium configuration. For full treatment, see chemical bonding: Covalent bonds. To complete its octet, carbon shares two of its valence electrons with one, Each oxygen atom shares its two electrons with carbon and therefore there are two double bonds in CO. Yes! (adsbygoogle = window.adsbygoogle || []).push({}); Is it the strength of a ( nonpolarly unreactive ) C-C, Due to the absence of active hydrogen atom on soft segment, an, Silicon being a larger atom than carbon can form only a single, When dyeing, 3-carboxyl pyridine group disconnects froms-triazine, and the cellulosic carboxylic group reacts withs-triazine rapidly to form a, Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a, A substance that provides a pair of electrons for a, OK, he also, let me see, he also, lastly, to close us out, he also developed an analytical expression for the energy of that, The atoms are much more strongly bound with a, BDTH 2 binds to mercury with a strong, nonpolar, Results:SLC possesses the characteristics of the infrared spectrum of silybin and lecithin, its nuclear magnetic resonance spectrum showed that SLC was combined by non, To uncage molecules, a photolysis system is required to cleave the, FTIR analyses showed that the ligands are linked by, Finally, there can also be molecular attraction between the material and the staining material, involving being held in a, Most of the compounds like UCl 4 are better described with the, It is almost always the electron - pair donor ( nucleophile ) in a, In step 2 the negatively charged carbanion combines with ( Y ) that is electron-poor to form the second, The ability of an atom to attract electrons, and in particular, in a, The results demonstrate that the proposed new fitting procedure shows a fairly good feasibility to the shell model potential for, The lone pairs on the halogen atom interact with the delocalized Pi system, which strengthens the C-X, When we're talking about r for internuclear distance, we're talking about the distance between two different nuclei in a bond, in a. Yes! With covalent bonds, an electron moves by hopping to a neighboring bond. Which sentence describes two atoms that form a covalent bond? It occurs wherever the combining atoms have similar electron affinity (diatomic elements). Most compounds having covalent bonds exhibit relatively low melting points and boiling points. (53) What is the definition of an "covalent bond"? (4) A covalent bond is a bond formed when two atoms share a pair of electrons. (19) The nonlocal body moment causes the stress asymmetric and itself is caused by the covalent bond formed by the reaction between atoms. The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a, 16. Put your understanding of this concept to test by answering a few MCQs. The electrovalent bond weakens and the, 7. Such association through sharing of electron pairs among different or same kinds is known as Covalent Bond. A polyacrylate supported imidazole group, as an intelligent polymer catalyst, was designed and synthesized by linking of polyacrylate chloride with histidine in, 13. (44) Well, if it is a good electron donor in an electron transfer reaction, if the same element finds itself in a covalent bond, it is going to be a good electron donor, although it is not full transfer. Atoms are all around you. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. https://www.thoughtco.com/some-examples-of-covalent-compounds-603981 (accessed March 1, 2023). 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covalent bond sentence